fused magnesia is produced from
selected natural magnesite ore or
high purity light burnt magnesia
granule in electrical arc furnace.
it has various good properties
such as high purity, large size crystal ,
compact structure, slag resistance,
thermal shock resistance. it is a
good insulation material used
 in the electricity  with high temperature.
 it is also the important materials
for the production of magnesium tile
and refractory materials.